Whilst fighting Skeletons in an Ominous trial my game crashed. Now I cannot open that world without the game crashing. Here is the crash report.

---- Minecraft Crash Report ----
// Who set us up the TNT?

Time: 2024-05-16 16:35:46
Description: Ticking entity

java.lang.ClassFormatError: Method a in class brs$a has illegal modifiers: 0x8
at java.base/java.lang.ClassLoader.defineClass1(Native Method)
at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1027)
at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150)
at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:862)
at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:760)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:681)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:639)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
at brs.a(SourceFile:47)
at brp.a(SourceFile:252)
at btc.a(SourceFile:699)
at btc.ef(SourceFile:570)
at btc.aw(SourceFile:472)
at bte.aw(SourceFile:307)
at bsh.l(SourceFile:486)
at btc.l(SourceFile:2455)
at bte.l(SourceFile:377)
at cjz.l(SourceFile:74)
at aqm.a(SourceFile:769)
at dcg.a(SourceFile:498)
at aqm.a(SourceFile:407)
at dwu.a(SourceFile:54)
at aqm.a(SourceFile:371)
at net.minecraft.server.MinecraftServer.c(SourceFile:1016)
at net.minecraft.server.MinecraftServer.a(SourceFile:907)
at gts.a(SourceFile:113)
at net.minecraft.server.MinecraftServer.y(SourceFile:692)
at net.minecraft.server.MinecraftServer.a(SourceFile:276)
at java.base/java.lang.Thread.run(Thread.java:1583)

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

– Head –
Thread: Server thread
Stacktrace:
at java.base/java.lang.ClassLoader.defineClass1(Native Method)
at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1027)
at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150)
at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:862)
at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:760)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:681)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:639)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
at brs.a(SourceFile:47)
at brp.a(SourceFile:252)
at btc.a(SourceFile:699)
at btc.ef(SourceFile:570)
at btc.aw(SourceFile:472)
at bte.aw(SourceFile:307)
at bsh.l(SourceFile:486)
at btc.l(SourceFile:2455)
at bte.l(SourceFile:377)
at cjz.l(SourceFile:74)
at aqm.a(SourceFile:769)
at dcg.a(SourceFile:498)
at aqm.a(SourceFile:407)
at dwu.a(SourceFile:54)

– Entity being ticked –
Details:
Entity Type: minecraft:skeleton (cjz)
Entity ID: 100898
Entity Name: Skeleton
Entity's Exact location: 297.52, -30.00, -535.70
Entity's Block location: World: (297,-30,-536), Section: (at 9,2,8 in 18,-2,-34; chunk contains blocks 288,-64,-544 to 303,319,-529), Region: (0,-2; contains chunks 0,-64 to 31,-33, blocks 0,-64,-1024 to 511,319,-513)
Entity's Momentum: 0.00, -0.08, 0.00
Entity's Passengers: []
Entity's Vehicle: null
Stacktrace:
at dcg.a(SourceFile:498)
at aqm.a(SourceFile:407)
at dwu.a(SourceFile:54)
at aqm.a(SourceFile:371)
at net.minecraft.server.MinecraftServer.c(SourceFile:1016)
at net.minecraft.server.MinecraftServer.a(SourceFile:907)
at gts.a(SourceFile:113)
at net.minecraft.server.MinecraftServer.y(SourceFile:692)
at net.minecraft.server.MinecraftServer.a(SourceFile:276)
at java.base/java.lang.Thread.run(Thread.java:1583)

– Affected level –
Details:
All players: 1 total; [aqn['RaiJolt2'/23555, l='ServerLevel[The pretty 1.21 world]', x=297.64, y=-30.00, z=-535.74]]
Chunk stats: 3674
Level dimension: minecraft:overworld
Level spawn location: World: (0,98,0), Section: (at 0,2,0 in 0,6,0; chunk contains blocks 0,-64,0 to 15,319,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,-64,0 to 511,319,511)
Level time: 1362329 game time, 1856960 day time
Level name: The pretty 1.21 world
Level game mode: Game mode: survival (ID 0). Hardcore: false. Commands: true
Level weather: Rain time: 164606 (now: false), thunder time: 109032 (now: false)
Known server brands: vanilla
Removed feature flags:
Level was modded: false
Level storage version: 0x04ABD - Anvil
Loaded entity count: 378
Stacktrace:
at aqm.a(SourceFile:1703)
at net.minecraft.server.MinecraftServer.c(SourceFile:1019)
at net.minecraft.server.MinecraftServer.a(SourceFile:907)
at gts.a(SourceFile:113)
at net.minecraft.server.MinecraftServer.y(SourceFile:692)
at net.minecraft.server.MinecraftServer.a(SourceFile:276)
at java.base/java.lang.Thread.run(Thread.java:1583)

– System Details –
Details:
Minecraft Version: 24w20a
Minecraft Version ID: 24w20a
Operating System: Windows 11 (amd64) version 10.0
Java Version: 21.0.3, Microsoft
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft
Memory: 2065189216 bytes (1969 MiB) / 3154116608 bytes (3008 MiB) up to 8589934592 bytes (8192 MiB)
CPUs: 16
Processor Vendor: GenuineIntel
Processor Name: 12th Gen Intel(R) Core(TM) i7-1260P
Identifier: Intel64 Family 6 Model 154 Stepping 3
Microarchitecture: Alder Lake
Frequency (GHz): 2.50
Number of physical packages: 1
Number of physical CPUs: 12
Number of logical CPUs: 16
Graphics card #0 name: Intel(R) Iris(R) Xe Graphics
Graphics card #0 vendor: Intel Corporation
Graphics card #0 VRAM (MiB): 1024.00
Graphics card #0 deviceId: VideoController1
Graphics card #0 versionInfo: 31.0.101.4575
Graphics card #1 name: NVIDIA GeForce MX550
Graphics card #1 vendor: NVIDIA
Graphics card #1 VRAM (MiB): 2048.00
Graphics card #1 deviceId: VideoController2
Graphics card #1 versionInfo: 31.0.15.4609
Memory slot #0 capacity (MiB): 8192.00
Memory slot #0 clockSpeed (GHz): 3.20
Memory slot #0 type: DDR4
Memory slot #1 capacity (MiB): 8192.00
Memory slot #1 clockSpeed (GHz): 3.20
Memory slot #1 type: DDR4
Virtual memory max (MiB): 21222.04
Virtual memory used (MiB): 18568.78
Swap memory total (MiB): 5153.30
Swap memory used (MiB): 180.35
Space in storage for jna.tmpdir (MiB): available: 32046.21, total: 468455.00
Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): available: 32046.21, total: 468455.00
Space in storage for io.netty.native.workdir (MiB): available: 32046.21, total: 468455.00
Space in storage for java.io.tmpdir (MiB): available: 32046.21, total: 468455.00
Space in storage for workdir (MiB): available: 32046.21, total: 468455.00
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx8G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
Server Running: true
Player Count: 1 / 8; [aqn['RaiJolt2'/23555, l='ServerLevel[The pretty 1.21 world]', x=297.64, y=-30.00, z=-535.74]]
Active Data Packs: vanilla
Available Data Packs: bundle, trade_rebalance, vanilla
Enabled Feature Flags: minecraft:vanilla
World Generation: Stable
World Seed: 215953578316910989
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Client jar signature and brand is untouched; Server jar signature and brand is untouched
Launched Version: 24w20a